Crossword Genius

Race madly to produce competition's first cracking dessert (5,4)

Ross

I believe the answer is:

cream cake

I'm a little stuck... Click here to teach me more about this clue!

'dessert' is the definition.
I know nothing about this answer so I cannot tell whether it can be defined by this definition.

'race madly to produce competition's first cracking' is the wordplay.
'madly' indicates an anagram.
'to produce' becomes 'make' ('make' can be a synonym of 'produce').
'competition's first' becomes 'c' (mst letter of 'competition').
'cracking' is an insertion indicator (inserted letters go into a gap or crack).
'race' is an anagram of 'crea'.
'crea'+'make'='creamake'
'creamake' placed around 'c' is 'CREAM-CAKE'.

Can you help me to learn more?

(Another definition for cream cake that I've seen is " Sweet high-calorie food".)

I've seen this clue in The Independent.
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